BBC News

The United States has denied any involvement in the killing of an Iranian scientist employed at one of Iran's nuclear facilities. Mostafa Ahmadi Roshan, who worked at the Natanz uranium enrichment plant, was killed when two motorcyclists attached a magnetic bomb to his car. Iran accused the US and Israel of being behind the attack, but the American Secretary of State Hillary Clinton rejected the accusation.

"I want to categorically deny any United States involvement in any kind of act of violence inside Iran."

The United States has held its highest contact so far with the Muslim Brotherhood in Egypt, which has been the biggest winner in the country's parliamentary elections. The Deputy Secretary of State William Burns met the head of the Brotherhood's Freedom and Justice Party, Mohamed Morsi, in Cairo.

A prosecutor has been shot dead by a man in the middle of a trial in Germany. The defendant, who was appearing in court in the town of Dachau, near Munich, opened fire at the prosecutor before police were able to

overpower

him. Fiona Werge reports.

The man pulled out a revolver and shot first at the judge but missed. He then fired three shots at the prosecutor in the local district court in Dachau, wounding him in the shoulder, stomach and arm. The lawyer was taken to hospital where he later died. There were no reports of other injuries. According to a local newspaper, the lawyer, who was 31, had only started working for the prosecutor's office a year ago. The defendant, in his 50s, was on trial over claims he paid his employees improper wages.